<!DOCTYPE HTML PUBLIC "-//W3C//DTD W3 HTML//EN">
<HTML>
<HEAD>
<META content="text/html; charset=iso-8859-1" =
http-equiv=Content-Type>
<META content='"MSHTML 4.72.2106.6"' name=GENERATOR>
</HEAD>
<BODY aLink=#ff0000 bgColor=#ffffff link=#0000ee text=#000000 =
vLink=#551a8b>
<DIV><SPAN class=770133815-31051999><FONT color=#0000ff face=Arial =
size=2>Richard:</FONT></SPAN></DIV>
<DIV><SPAN class=770133815-31051999><FONT color=#0000ff face=Arial =
size=2></FONT></SPAN> </DIV>
<DIV><SPAN class=770133815-31051999><FONT color=#0000ff face=Arial =
size=2>Tunelab has a display of the frequency of each note on the main =
screen
display. As you change partials, the frequency of that partial is
shown.</FONT></SPAN></DIV>
<DIV><SPAN class=770133815-31051999><FONT color=#0000ff face=Arial =
size=2></FONT></SPAN> </DIV>
<DIV><SPAN class=770133815-31051999><FONT color=#0000ff face=Arial =
size=2>dave</FONT></SPAN></DIV>
<P><FONT =
size=2>_______________________________________________<BR><BR>David M. =
Porritt, RPT<BR>Meadows School of the Arts<BR>Southern Methodist
University<BR>Dallas, Texas<BR><A
href="mailto:dporritt@swbell.net">dporritt@swbell.net</A><BR>__________=
_____________________________________</FONT>
</P>
<DIV> </DIV>
<DIV class=OutlookMessageHeader><FONT face="Times New Roman"
size=2>-----Original Message-----<BR><B>From:</B> =
owner-pianotech@ptg.org
[mailto:owner-pianotech@ptg.org]<B>On Behalf Of</B> Richard
Brekne<BR><B>Sent:</B> Monday, May 31, 1999 7:23 AM<BR><B>To:</B>
pianotech@ptg.org<BR><B>Subject:</B> Re: longitudinal mode
vibrations<BR><BR></FONT></DIV>
<P>"Paul S. Larudee" wrote:
<BLOCKQUOTE TYPE = CITE>Ron Nossaman wrote:
<P>> I wonder how one would go about measuring longitudinal =
partials
anyway. Can <BR>> this be done with an ETD? If so, someone could =
set it
up fairly easily and <BR>> whack the bejeebers out of a string to =
get a
first hand look at what happens <BR>> to the pitch of the =
longitudinal.
Where are our instrumented experimenters <BR>> out there? =
<BR>>
<BR>> Ron
<P>I agree that experimental studies are the only way to go any =
farther,
<BR>but I have a feeling there aren't too many grants to be had for =
this
<BR>sort of research - at least not with pianos as the main =
application.
<BR>Hope I'm wrong. Nice discussion, though. Anyone else =
have
any ideas?
<P>Paul</P></BLOCKQUOTE>One thing we can all do is mail the three =
biggies
Reyburn, Sanderson, and Tom and ask them to include more features in =
these
products use as measuring devices. String partials should be able tobe =
measured
in cents (in both the Sat III manner and in the manner Reyburn =
uses)
<B><I>and </I></B>hz, (for some purposes hz are handy) and the data =
should be
able to be exported in ascii format for use in spreadsheets / math =
graphics
programs. Tune Lab is the only one of the three so far to have this =
option and
its only in cents. (which admitedly has more uses then hz for our =
purposes,
still the extra option of having hz would be nice)
<P>Richard Brekne </P></BODY></HTML>